The Runtopia S1 Smart GPS Sports Watch is your new buddy for better, smarter running. Integrated with the Runtopia app, this watch gives you audio guidance in real-time to notify you of your speed, heart rate or pace so you can adjust on the fly to meet goals. With GPS+GLONASS dual star positioning, you’ll be able to accurately track running stats straight to your watch and leave the weight of your phone at home. It also tracks changes in your heart rate, making sure you stay safe and run efficiently. Designed to withstand contrasting weather and conditions, S1 allows you to run care-free, even when facing the most unexpected weather.